单项选择题

All the other five planets ______.

A．always appear near the path of the sun
B．are moving in a way more complicated than the earth does
C．aren't moving around the sun as independently as the earth does
D．are moving around the sun at the same speed as the earth does

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热门试题

单项选择题

The ancient people believed that ______.

A．the earth was spinning on the axis of the sky
B．the sky was a hollow sphere spinning around the earth
C．the patterns of stars on the sky would never change
D．the stars around the sky were not stationary

单项选择题

Which of the following is true about the motion of the moon

A．The moon and the sun are moving in the same plane.
B．The moon revolved along the ecliptic.
C．The moon moves faster than the sun.
D．The position of the moon can be found changed in an hour's time.